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Flywheel puller for a briggs and stratton?



 
 
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  #1  
Old April 20th 07, 05:59 AM posted to rec.autos.tech
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Posts: 5
Default Flywheel puller for a briggs and stratton?

I have a 5.5 hp briggs and stratton i'm rebuilding for fun. after
struggling with the flywheel and doing a quick google search I found
that i need a special tool to do this right. One sight said it would
be easy to make your own flywheel puller with some extra metal and a
drill press. I have acess to my highschool auto shop so it would be
easy for me. How exactly do these tools work? It might help to have an
understanding before I try to make one. Some directions on how to use
one would be great.

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  #2  
Old April 20th 07, 12:49 PM posted to rec.autos.tech
C. E. White[_1_]
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Posts: 933
Default Flywheel puller for a briggs and stratton?


> wrote in message
ups.com...
>I have a 5.5 hp briggs and stratton i'm rebuilding for fun. after
> struggling with the flywheel and doing a quick google search I found
> that i need a special tool to do this right. One sight said it would
> be easy to make your own flywheel puller with some extra metal and a
> drill press. I have acess to my highschool auto shop so it would be
> easy for me. How exactly do these tools work? It might help to have
> an
> understanding before I try to make one. Some directions on how to
> use
> one would be great.


Wacking the end of the crankshaft didn't loosen it? I don't know what
a 5.5hp B&S is like, but for older ones, all I had to do to remove the
flywheel was remove the retaining nut and wack the end of the
crankshaft with a big hammer (I protect the end of the crankshaft with
a piece of very hard oak). I've never had one yet that didn't pop
loose. They were on a taper and the shock always caused them to move
up the taper. The 5.5 Hp might be different though.

Ed


  #3  
Old April 20th 07, 01:57 PM posted to rec.autos.tech
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Posts: 336
Default Flywheel puller for a briggs and stratton?

On Apr 20, 12:59 am, wrote:
> I have a 5.5 hp briggs and stratton i'm rebuilding for fun. after
> struggling with the flywheel and doing a quick google search I found
> that i need a special tool to do this right. One sight said it would
> be easy to make your own flywheel puller with some extra metal and a
> drill press. I have acess to my highschool auto shop so it would be
> easy for me. How exactly do these tools work? It might help to have an
> understanding before I try to make one. Some directions on how to use
> one would be great.



If its like mine, there are 2 bolt holes on the top of the flywheel.

Drill a stout metal bar with 2 holes the same distance apart as those
on the flywheel.

Bolt the bar to the flywheel with the center of the bar on top of the
crankshaft.

Gently and evenly tighten the bolts to pull the flywheel off the
shaft.

Dave

  #4  
Old April 20th 07, 01:59 PM posted to rec.autos.tech
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Posts: n/a
Default Flywheel puller for a briggs and stratton?


"C. E. White" > wrote in message
news:4628a94f$1@kcnews01...

> Wacking the end of the crankshaft didn't loosen it? I don't know what
> a 5.5hp B&S is like, but for older ones, all I had to do to remove the
> flywheel was remove the retaining nut and wack the end of the
> crankshaft with a big hammer (I protect the end of the crankshaft with
> a piece of very hard oak). I've never had one yet that didn't pop
> loose. They were on a taper and the shock always caused them to move
> up the taper. The 5.5 Hp might be different though.


Ive seen some that needed the puller torqued up and still had to have a
sharp
rap to break them.

The OP can buy a gear puller for a few bucks which will work fine on this
application. When I can buy a tool for a few bucks, I dont waste time
trying to build one. Harbor Freight might have a cheap unit.


  #5  
Old April 21st 07, 12:10 AM posted to rec.autos.tech
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Posts: 5
Default Flywheel puller for a briggs and stratton?

On Apr 20, 4:49 am, "C. E. White" >
wrote:
> > wrote in message
>
> ups.com...
>
> >I have a 5.5 hpbriggsand stratton i'm rebuilding for fun. after
> > struggling with the flywheel and doing a quick google search I found
> > that i need a special tool to do this right. One sight said it would
> > be easy to make your own flywheel puller with some extra metal and a
> > drill press. I have acess to my highschool auto shop so it would be
> > easy for me. How exactly do these tools work? It might help to have
> > an
> > understanding before I try to make one. Some directions on how to
> > use
> > one would be great.

>
> Wacking the end of the crankshaft didn't loosen it? I don't know what
> a 5.5hp B&S is like, but for older ones, all I had to do to remove the
> flywheel was remove the retaining nut and wack the end of the
> crankshaft with a big hammer (I protect the end of the crankshaft with
> a piece of very hard oak). I've never had one yet that didn't pop
> loose. They were on a taper and the shock always caused them to move
> up the taper. The 5.5 Hp might be different though.
>
> Ed


I heard about that. I was afraid of messing up something so i didn't
hit very hard. I have some blocks of wood and a large metal hammer.
I'll try that.

  #6  
Old April 21st 07, 12:15 AM posted to rec.autos.tech
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Posts: 5
Default Flywheel puller for a briggs and stratton?

On Apr 20, 5:59 am, > wrote:
> "C. E. White" > wrote in messagenews:4628a94f$1@kcnews01...
>
> > Wacking the end of the crankshaft didn't loosen it? I don't know what
> > a 5.5hp B&S is like, but for older ones, all I had to do to remove the
> > flywheel was remove the retaining nut and wack the end of the
> > crankshaft with a big hammer (I protect the end of the crankshaft with
> > a piece of very hard oak). I've never had one yet that didn't pop
> > loose. They were on a taper and the shock always caused them to move
> > up the taper. The 5.5 Hp might be different though.

>
> Ive seen some that needed the puller torqued up and still had to have a
> sharp
> rap to break them.
>
> The OP can buy a gear puller for a few bucks which will work fine on this
> application. When I can buy a tool for a few bucks, I dont waste time
> trying to build one. Harbor Freight might have a cheap unit.



  #7  
Old April 21st 07, 12:24 AM posted to rec.autos.tech
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Posts: 5
Default Flywheel puller for a briggs and stratton?

On Apr 20, 4:49 am, "C. E. White" >
wrote:
> > wrote in message
>
> ups.com...
>
> >I have a 5.5 hpbriggsand stratton i'm rebuilding for fun. after
> > struggling with the flywheel and doing a quick google search I found
> > that i need a special tool to do this right. One sight said it would
> > be easy to make your own flywheel puller with some extra metal and a
> > drill press. I have acess to my highschool auto shop so it would be
> > easy for me. How exactly do these tools work? It might help to have
> > an
> > understanding before I try to make one. Some directions on how to
> > use
> > one would be great.

>
> Wacking the end of the crankshaft didn't loosen it? I don't know what
> a 5.5hp B&S is like, but for older ones, all I had to do to remove the
> flywheel was remove the retaining nut and wack the end of the
> crankshaft with a big hammer (I protect the end of the crankshaft with
> a piece of very hard oak). I've never had one yet that didn't pop
> loose. They were on a taper and the shock always caused them to move
> up the taper. The 5.5 Hp might be different though.
>
> Ed


ok, good news and bad news. The good news is the flywheel came off
with one sharp wack protected bay a few inches of 2X4. Bad news, does
anyone know to remagnetize a flywheel?

  #8  
Old April 21st 07, 01:09 AM posted to rec.autos.tech
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Posts: n/a
Default Flywheel puller for a briggs and stratton?


> wrote in message
ups.com...

> ok, good news and bad news. The good news is the flywheel came off
> with one sharp wack protected bay a few inches of 2X4. Bad news, does
> anyone know to remagnetize a flywheel?


Unlikely that your flywheel became unmagnetized. I have never seen it
happen.
Use fine sandpaper to dress the magnetic insert in the flywheel.
Use new points (if this applies) and carefully set the gap and index.
Should come up firing.

If it is REALLY demagnetized, I have no idea what to tell you. Buy a new
one,
or find a company that can reenergize your old one.


  #9  
Old April 21st 07, 07:42 PM posted to rec.autos.tech
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Posts: 5
Default Flywheel puller for a briggs and stratton?

On Apr 20, 5:09 pm, > wrote:
> > wrote in message
>
> ups.com...
>
> > ok, good news and bad news. The good news is the flywheel came off
> > with one sharp wack protected bay a few inches of 2X4. Bad news, does
> > anyone know to remagnetize a flywheel?

>
> Unlikely that your flywheel became unmagnetized. I have never seen it
> happen.
> Use fine sandpaper to dress the magnetic insert in the flywheel.
> Use new points (if this applies) and carefully set the gap and index.
> Should come up firing.
>
> If it is REALLY demagnetized, I have no idea what to tell you. Buy a new
> one,
> or find a company that can reenergize your old one.


I doubt the one whack did it, i had tapped it a few times but
something happened. the magnets can't even hold a paper clip now that
its off the engine.

  #10  
Old April 21st 07, 09:22 PM posted to rec.autos.tech
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Posts: n/a
Default Flywheel puller for a briggs and stratton?


> wrote in message
oups.com...

> I doubt the one whack did it, i had tapped it a few times but
> something happened. the magnets can't even hold a paper clip now that
> its off the engine.


Unusual. Does this engine have a solid state ignition rather than the
magneto
type that most of us wout be more familiar with?

If it is the old standard magneto type, then clearly you will have to
replace the
flywheel.


 




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